Validation of the UCLA Child Post traumatic stress disorder-reaction index in Zambia

Table 7 Test characteristics using receiver operating curves for each of the scales*

	Area under the curve (se), [CI]	Optimal cut-offs	Correctly classified	SENS	SPEC
PTSD-RI symptom scale	0.74 (0.06), [0.62-0.86]	17 points	71.6%	66%	79%
Locally-specific symptom scale	0.70 (0.06) [0.57-0.82]	10 points	68.7%	68%	69%
Total symptom scale	0.73 (0.06), [0.60-0.85]	31 points	70.2%	66%	76%

* caseness was defined based on the number of cross-cultural criterion validity questions endorsed by the caregiver and child dyads. Endorsing 2 or 3 of the questions defined caseness; endorsing none of the questions defined non-caseness.

ISSN: 1752-4458